B85321A2205A250

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Electromagnetic interference (EMI) and radio frequency interference (RFI) are the two main causes of problems in communication systems. EMI/RFI filters (LC, RC networks) are used to limit these undesired effects. The B85321A2205A250 is one such type of filter, designed for applications in the radio-frequency (RF) range.

The B85321A2205A250 filter is a 3-stage low-pass filter, which is used to suppress high-frequency interference and improve the signal-to-noise ratio. The filter is composed of three series capacitors and three parallel inductors, with a cut-off frequency of 2.2 MHz. The filter has a high level of selectivity, with a passband of 1.8 to 2.6 kHz. The filter has a maximum insertion loss of 0.5 dB, and a maximum return loss of 10 dB.

The filter has a wide range of applications, from radio broadcast receivers to cellular phone base stations. It can be used to reduce RFI or EMI for desktops, laptops, and everything in between. It can also improve the functionality of Wi-Fi routers, DECT (Digital Enhanced Cordless Telecommunications) base stations, and other wireless communication systems. The filter can also be used to shield sensitive electronics from strong electromagnetic interference, such as high power radio transmitters.

The B85321A2205A250 filter has a simple working principle. It is a low-pass filter, meaning that it only allows low-frequency signals to pass through it, and blocks out high frequency signals. This helps improve the overall signal-to-noise ratio, and reduces the amount of interference in the system. The filter also helps to reduce the amount of radio-frequency energy the device emits, and helps protect it from external interference.

In summary, the B85321A2205A250 filter is a 3-stage low-pass filter, designed to reduce EMI/RFI in the radio-frequency (RF) range. Its cut-off frequency is 2.2 MHz, and it has a maximum insertion loss of 0.5 dB and a maximum return loss of 10 dB. It is used in a wide range of applications, including radio broadcast receivers, cellular phone base stations, and Wi-Fi routers. Its working principle is simple – it only allows low-frequency signals to pass through it, and blocks out high frequency signals.

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